Obviously, that power rating will vary based on the engine’s condition ... more power from a naturally aspirated LS. For his first test, Holdener used a cam with a .552 lift, 212/22x-degree ...

General Motors' LS engines are popular, but the automaker has remained incredibly quiet about what the two letters in the line's name stand for.

Engines from the first generation of small blocks were more basic by today's standards, but even the LS-family from the end of the 90s still used pushrod designs. In any case, the Chevy small ...